26 - 28 September 2017 // Nuremberg, Germany

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Zoom product LOGO_Chemical grinder WMC

Chemical grinder WMC

LOGO_Chemical grinder WMC

Chemical grinder WMC

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Dust-free crushing with a narrow particle size distribution

  • Low-dust crushing
  • Remote control
  • Narrow particle size distribution
  • For chemical and pharmaceutical products

The grinder WMC ensures low-dust crushing with narrow particle size distribution. The narrow particle size spectrum is achieved by means of a continuous compressive-shear-stress between two corrugated rolls and a defined roll gap.

Product examples

The grinder crush soft, brittle or sticky products, such as:

  • SAP
  • polymer
  • urea
  • potash
  • polyacrylate
  • phenolic
  • plastics
  • calcium sulphate
  • ammonium nitrate
  • pectine
  • crushed tablets
  • ammonium bicarbonate
  • electronic waste
  • Maximum product hardness: 4 - 6 Mohs
  • Achievable product fineness: approx. 100 ìm
  • Narrow particle size spectrum of the final product

Grinding sections

  • Central drive via V-belt and main gearbox
  • Rolls driven by universal joints
  • Different corrugation of the rolls to suit product specification
  • Servomotors for roll gap adjustment
  • Disengagement of the rolls if foreign bodies enter the machine, and readjustment to the required roll gap
  • Quick disengagement of rolls is possible
  • Variable drive system. Drive capacity up to 30 kW per section, depending on requirement
  • Smooth inner surfaces
  • Dust-tight design

Product supply / proportioning

  • Uniform feeding over the entire roll length is ensured by a roll feeder or alternatively by a vibrating feed chute.
  • Continuous adjustment of the capacity is possible
  • Inspection glass for control of product flow

Design and options

  • All product-contacting parts are made of stainless steel, material No. 1.4571
  • Electrical switch cabinet, incl. visualisation
  • Explosion-protected design
  • High-alloy rolls (Cr)
  • Cooling rolls
  • Equipotential bonding against static charging
  • Contactless roll seal
  • Aspiration connection
  • Connection for inert gas supply
  • Permanent magnet above the rolls
  • Gas-tight design

Range of capacities

  • 5 roll lengths: 700 – 1000 – 1400 – 1500 – 1700 mm
  • Roll diameter: 250 mm

Combinations, due to the sectional design the following combinations are possible:

  • Type WMC 1: one grind
  • Type WMC 2: two grinds
  • Type WMC 3: three grinds
  • Type WMC 4: four grinds

For more information: https://www.neuhaus-neotec.de/en/neuhaus-neotec-particle-technology/service/particle-engineering/

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